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Multifamily sewer lines

Apartment Community Sewer Camera Inspection

A ledger of every lateral and main, with structural and maintenance defects separated so you can budget repairs and cleaning.

Short answer

For an apartment community, scope the building laterals and the site main, then record every finding in one consistent format. The result is a condition ranking you can budget from: structural defects that need repair, and maintenance defects that need cleaning. Arizona law puts plumbing upkeep on the landlord, so the video is also your documentation.

The rules that apply

Each rule links to the official text we read it from. Cities change these, so check the source before a big decision. Last checked 2026-10-04.

Landlord plumbing duty

Arizona (residential rentals)

A residential landlord must make repairs needed to keep the premises fit and habitable and maintain in good and safe working order all plumbing and sanitary facilities supplied or required to be supplied.

Source: A.R.S. 33-1324(A)

Landlords mark their own lines

Arizona

Before anyone excavates in an apartment community, the landlord must mark underground facilities, responding to a locate inquiry within ten working days. Utility operators have two working days.

Source: A.R.S. 40-360.22(A) and (B)

Who owns the lateral

Phoenix

Phoenix property owners maintain and repair the sewer lines that run through their property and connect to the City's main. Condominium and association-run communities should check with the association.

Source: City of Phoenix: Water and Sewer Line Protection

Rate structural and maintenance defects separately

National standard (NASSCO)

PACP reports structural grades and operational and maintenance grades separately, from 1 to 5, so the owner can tell which defects need repair or replacement and which need cleaning or root removal.

Source: NASSCO Tech Tips: PACP condition grading system (2023)

Averages hide the worst defect

National standard (NASSCO)

A pipe rating index averages severity, so six grade 1 defects can hide six grade 5 defects. NASSCO advises against prioritizing work on averages alone and points to the Quick Rating, which reports the worst-case grade in the pipe.

Source: NASSCO Tech Tips: PACP condition grading system (2023)

Lateral assessment and repairs verified

National practice (NASSCO) and Mesa

NASSCO has a lateral assessment program alongside its pipeline program. Mesa's inspection specification for public work calls for a follow-up video after any defect is repaired to show the repair was completed.

Source: NASSCO Assessment programs (PACP, LACP, MACP)Also: City of Mesa Approved Products List, WW-7 sewer video inspection

What changes when you manage a community, not one building

One building with one lateral is a single decision. An apartment community has laterals from each building, a site main collecting them, and often pipe from different construction years. You can't scope everything on the same day, and you shouldn't try. The goal is a ranked list: which buildings and sections are most likely to fail first, and what each one needs.

Arizona puts the plumbing on the landlord. A.R.S. 33-1324 requires a residential landlord to keep plumbing and sanitary facilities in good and safe working order. A sewer backup into a ground-floor unit is exactly the failure that statute is about, which is why many property managers want a documented inspection history before the call comes.

How we scope a community

Start with what has already failed. Buildings with repeat stoppages, odor complaints or backups in the first-floor units go first. Then scope the site main that collects them. Then the remaining laterals in whatever order your budget needs. Where access is open, several buildings can be planned into one visit, and we record each line separately so the report reads like a ledger, not a story.

Each run is recorded with the building, the cleanout used, the direction of travel, the material and size, distances to every defect and the point where the camera stopped. If grease from ground-floor kitchens or scale from old cast iron hides the wall, we say so, and the line gets cleaned before it is re-scoped. See sewer inspection for a multifamily portfolio and cast iron scale on a sewer report.

Turning the video into a budget

NASSCO's PACP system gives each finding a grade from 1 to 5 and keeps structural defects apart from operational and maintenance ones. That split is the whole value to a manager. High structural grades go on the capital list, and NASSCO notes they typically call for engineering assessment. High maintenance grades, such as roots or deposits, go on the service schedule. A line with both gets the repair first, because cleaning does not fix a broken pipe.

One caution from NASSCO's own guidance: do not rank lines by average score. A line with many minor findings can average out the one serious one. Read the worst grade and how many times it occurs. Ask for it in the report.

Sewer line problems that look like tenant problems

Sewer smell in one unit, slow drains on the ground floor and a gurgling toilet after laundry day are tenant complaints with building-level causes. The line serving that stack may be partly blocked, or the vent may be damaged. When one unit complains alone, start with that unit's traps and fixtures before blaming the lateral. See why only one apartment unit smells like sewer and apartment sewer smell: what the property manager does first.

Before anyone digs

If the video leads to excavation, Arizona's underground-facility law treats the landlord of an apartment community as an operator who must mark underground facilities before an excavator starts, and gives the landlord up to ten working days to respond to a request. Plan for that in your schedule. Our crew can locate and mark the sewer path and depth on the surface for planning, which is a separate step from the legal one-call process. See sewer line locating for commercial sites.

When a community scope is the wrong answer

Skip the full-site scope after one clear, local event, such as a toilet-paper clog in a single unit that clears and stays cleared. Cable that line and watch it. A recurring backup, multiple units affected or a building with a history of root problems is when to scope. And a scope will not tell you who is responsible if the line serves several owners in a condo or association community, so check your governing documents.

Booking

Send us the property list, number of buildings and any cleanout maps. HQ offers 24/7 emergency service for backups, free estimates and an upfront price before work starts. For recurring buildups, ask about hydro jetting on a logged schedule, and see our multifamily plumbing and property management pages. The general service page is sewer camera inspection.

FAQ

Apartment Community Sewer Inspection: common questions

Anything else, call (602) 675-1555.

How do I plan sewer inspections across many buildings?

Inventory every building's lateral, rank them by age, pipe material and backup history, and inspect the highest-risk ones first with the same written scope everywhere: complete coded runs, footage counters, locating and video. Then use the worst grade in each report to sort repairs, cleaning and re-inspection dates across the portfolio.

Read full answer: How do I plan sewer inspections across many buildings?
Sewer smell in an apartment building: what should the manager do?

Find out whether the smell is in one unit, one floor or the whole building, then check the usual suspects in that order: dry traps in vacant units and laundry rooms, common floor drains, and roof vents. Log every complaint. A smell that spreads across floors points to a stack, vent or main line problem.

Read full answer: Sewer smell in an apartment building: what should the manager do?
Sewer backup in a multi-tenant building: what first?

First keep people away from the sewage and stop water use in the building so the backup stops growing. Then call a commercial plumber to find the blockage, notify the city if it is coming from the public main, and tell tenants in writing. Photograph everything before cleanup starts.

Read full answer: Sewer backup in a multi-tenant building: what first?
In Phoenix, who is responsible for the sewer line to the city main?

You are. In Phoenix, the property owner is responsible for the sewer line from the house to the public main, under City Code Chapter 28. The one exception: for single-family and duplex homes, the city repairs broken sewer piping in the public right-of-way. A clog in your line is always your cost.

Read full answer: In Phoenix, who is responsible for the sewer line to the city main?

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